Fix unit test memory leaks following blink r183043

content/child/indexed_db/indexed_db_dispatcher_unittest.cc

Index: content/child/indexed_db/indexed_db_dispatcher_unittest.cc
diff --git a/content/child/indexed_db/indexed_db_dispatcher_unittest.cc b/content/child/indexed_db/indexed_db_dispatcher_unittest.cc
index 75ebc64db9cffcf09955ed5c80490a98ce230e7a..d2b62389e9e990dd83ba36490ea7823b137b8079 100644
--- a/content/child/indexed_db/indexed_db_dispatcher_unittest.cc
+++ b/content/child/indexed_db/indexed_db_dispatcher_unittest.cc
@@ -16,6 +16,7 @@
 #include "third_party/WebKit/public/platform/WebBlobInfo.h"
 #include "third_party/WebKit/public/platform/WebData.h"
 #include "third_party/WebKit/public/platform/WebIDBCallbacks.h"
+#include "third_party/WebKit/public/web/WebHeap.h"
 
 using blink::WebBlobInfo;
 using blink::WebData;
@@ -67,6 +68,10 @@ class IndexedDBDispatcherTest : public testing::Test {
         thread_safe_sender_(new ThreadSafeSender(message_loop_proxy_.get(),
                                                  sync_message_filter_.get())) {}
 
+  virtual void TearDown() OVERRIDE {

[cmumford, 2014/10/01 17:22:35]

In light of http://chromium-cpp.appspot.com/ should you be using lowercase
"override" now?

[jsbell, 2014/10/01 17:24:56]

Sure - done.

+    blink::WebHeap::collectAllGarbageForTesting();
+  }
+
  protected:
   scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
   scoped_refptr<IPC::SyncMessageFilter> sync_message_filter_;